This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:00,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:00,583 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:00,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:00,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:00,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:00,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:00,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:00,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:00,622 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:00,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:00,623 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:00,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:00,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:00,625 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:00,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:00,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:00,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:00,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:00,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:00,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:00,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:00,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:00,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:00,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:00,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:00,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:00,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:00,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:00,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:00,631 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:00,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:00,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:00,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:00,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:00,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:00,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:00,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:00,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:00,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:00,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:00,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:00,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:00,634 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:00,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:00,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:00,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:00,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:00,861 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:00,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/invert_string-3.c [2024-09-21 19:06:02,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:02,397 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:02,397 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/invert_string-3.c [2024-09-21 19:06:02,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8298d8368/8f7a8e0b95f34570a33a2dcd2fcc94cc/FLAG47ef16cd4 [2024-09-21 19:06:02,809 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8298d8368/8f7a8e0b95f34570a33a2dcd2fcc94cc [2024-09-21 19:06:02,811 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:02,816 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:02,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/invert_string-3.yml/output/witness-2.1.yml [2024-09-21 19:06:02,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:02,862 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:02,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:02,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:02,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:02,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:02" (1/2) ... [2024-09-21 19:06:02,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdcf85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:02, skipping insertion in model container [2024-09-21 19:06:02,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:02" (1/2) ... [2024-09-21 19:06:02,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@672381ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:02, skipping insertion in model container [2024-09-21 19:06:02,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:02" (2/2) ... [2024-09-21 19:06:02,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdcf85a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:02, skipping insertion in model container [2024-09-21 19:06:02,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:02" (2/2) ... [2024-09-21 19:06:02,881 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:02,881 INFO L1541 ArrayList]: Loop invariant at [L26-L29] (i == (1) && j == (3) && max == (5U)) || (i == (2) && j == (2) && max == (5U)) || (i == (3) && j == (1) && max == (5U)) || (i == (0) && j == (4) && max == (5U)) || (i == (4) && j == (0) && max == (5U)) || (i == (-1) && j == (5) && max == (5U)) [2024-09-21 19:06:02,882 INFO L1541 ArrayList]: Loop invariant at [L18-L20] (i == (2) && max == (5U)) || (i == (3) && max == (5U)) || (i == (4) && max == (5U)) || (i == (0) && max == (5U)) || (i == (1) && max == (5U)) || (i == (5) && max == (5U)) [2024-09-21 19:06:02,882 INFO L1541 ArrayList]: Loop invariant at [L32-L35] (i == (2) && j == (2) && max == (5U)) || (i == (1) && j == (3) && max == (5U)) || (i == (5) && j == (-1) && max == (5U)) || (i == (4) && j == (0) && max == (5U)) || (i == (0) && j == (4) && max == (5U)) || (i == (3) && j == (1) && max == (5U)) [2024-09-21 19:06:02,882 INFO L1541 ArrayList]: Function contract at [L13]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:02,882 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures (!(1) || (1)) && (!(cond == (1)) || (1)) [2024-09-21 19:06:02,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:03,028 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2024-09-21 19:06:03,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:03,058 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:06:03,094 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/invert_string-3.c[327,340] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-21 19:06:03,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:03,123 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:03,124 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03 WrapperNode [2024-09-21 19:06:03,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:03,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:03,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:03,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:03,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,142 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,150 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:03,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,165 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:03,168 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:03,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:03,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:03,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (1/1) ... [2024-09-21 19:06:03,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:03,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:03,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:06:03,201 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:06:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:03,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:03,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:03,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:03,322 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:03,323 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:03,339 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:03,453 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:03,460 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:03,486 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:03,486 INFO L318 CfgBuilder]: Removed 4 assume(true) statements. [2024-09-21 19:06:03,493 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:03 BoogieIcfgContainer [2024-09-21 19:06:03,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:03,494 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:03,494 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:03,495 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:03,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:02" (1/4) ... [2024-09-21 19:06:03,496 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c361e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:03, skipping insertion in model container [2024-09-21 19:06:03,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:02" (2/4) ... [2024-09-21 19:06:03,496 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c361e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:03, skipping insertion in model container [2024-09-21 19:06:03,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:03" (3/4) ... [2024-09-21 19:06:03,497 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c361e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:03, skipping insertion in model container [2024-09-21 19:06:03,497 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:03" (4/4) ... [2024-09-21 19:06:03,498 INFO L79 RefereeObserver]: Analyzing ICFG invert_string-3.c [2024-09-21 19:06:03,501 INFO L113 InvariantChecker]: Found 3 loops. [2024-09-21 19:06:03,502 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:06:03,502 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:06:03,503 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-4 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:03,503 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:03,503 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:06:03,503 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:03,504 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:03,504 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:03,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:03,504 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:03,504 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:03,505 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-21 19:06:03,562 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:03,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:03,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,617 INFO L520 InvariantChecker]: The annotation(s) from loop head L18-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:03,634 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:03,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,642 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:03,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,645 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,651 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:03,666 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:03,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,678 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:06:03,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,687 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-4 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:03,708 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:03,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,721 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:06:03,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,722 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,733 INFO L520 InvariantChecker]: The annotation(s) from loop head L18-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:03,752 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:03,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,762 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:03,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,763 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,769 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:03,781 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:03,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,783 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,783 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:03,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,784 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,784 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,784 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,784 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,785 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:03,794 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:03,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,795 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,804 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:06:03,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,812 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:03,820 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:06:03,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,827 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:06:03,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,830 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,830 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,833 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:03,840 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:03,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,843 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:03,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,843 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,843 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,844 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,846 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:03,853 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:03,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,853 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,853 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,855 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:03,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,855 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,868 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:03,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:03,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:03,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:03,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:03,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,870 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:03,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:03,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:03,870 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:03,870 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:03,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:03,872 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:03,877 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:03,878 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32c361e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:03, skipping insertion in model container [2024-09-21 19:06:03,878 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:03,879 INFO L158 Benchmark]: Toolchain (without parser) took 1016.12ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 93.2MB in the beginning and 127.0MB in the end (delta: -33.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:03,879 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:03,879 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:03,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.36ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 92.9MB in the beginning and 193.0MB in the end (delta: -100.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-09-21 19:06:03,881 INFO L158 Benchmark]: Boogie Preprocessor took 42.16ms. Allocated memory is still 224.4MB. Free memory was 193.0MB in the beginning and 190.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:03,882 INFO L158 Benchmark]: RCFGBuilder took 325.42ms. Allocated memory is still 224.4MB. Free memory was 190.9MB in the beginning and 173.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:03,883 INFO L158 Benchmark]: Referee took 383.51ms. Allocated memory is still 224.4MB. Free memory was 173.1MB in the beginning and 127.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:03,885 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 32 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 26. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 26. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 167.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 261.36ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 92.9MB in the beginning and 193.0MB in the end (delta: -100.1MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.16ms. Allocated memory is still 224.4MB. Free memory was 193.0MB in the beginning and 190.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.42ms. Allocated memory is still 224.4MB. Free memory was 190.9MB in the beginning and 173.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 383.51ms. Allocated memory is still 224.4MB. Free memory was 173.1MB in the beginning and 127.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:03,911 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...